forked from GNUsocial/gnu-social
dc62246443
Adds a robots.txt file to the site root. Defaults defined by 'robotstxt' section of config. New events StartRobotsTxt and EndRobotsTxt to let plugins add information. Probably not useful if path is not /, but won't hurt anything, either.
101 lines
2.5 KiB
PHP
101 lines
2.5 KiB
PHP
<?php
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/**
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* StatusNet - the distributed open-source microblogging tool
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* Copyright (C) 2010, StatusNet, Inc.
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*
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* robots.txt generator
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*
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* PHP version 5
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*
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* @category Action
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
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* @link http://status.net/
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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if (!defined('STATUSNET')) {
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exit(1);
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}
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/**
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* Prints out a static robots.txt
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*
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* @category Action
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* @package StatusNet
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* @author Evan Prodromou <evan@status.net>
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* @license http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
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* @link http://status.net/
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*/
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class RobotstxtAction extends Action
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{
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/**
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* Handles requests
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*
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* Since this is a relatively static document, we
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* don't do a prepare()
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*
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* @param array $args GET, POST, and URL params; unused.
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*
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* @return void
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*/
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function handle($args)
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{
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if (Event::handle('StartRobotsTxt', array($this))) {
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header('Content-Type: text/plain');
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print "User-Agent: *\n";
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if (common_config('site', 'private')) {
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print "Disallow: /\n";
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} else {
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$disallow = common_config('robotstxt', 'disallow');
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foreach ($disallow as $dir) {
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print "Disallow: /$dir/\n";
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}
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$crawldelay = common_config('robotstxt', 'crawldelay');
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if (!empty($crawldelay)) {
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print "Crawl-delay: " . $crawldelay . "\n";
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}
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}
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Event::handle('EndRobotsTxt', array($this));
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}
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}
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/**
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* Return true; this page doesn't touch the DB.
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*
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* @param array $args other arguments
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*
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* @return boolean is read only action?
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*/
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function isReadOnly($args)
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{
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return true;
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}
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}
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